//Increases and decreases text file for a given div.
//See txt file in the Web Design folder DATA. Note that in the txt file, the actual clickable
//buttons make use of a div called 'content', so amend accordingly.

function fsize(size,unit,id){
  var vfontsize = document.getElementById(id);
  if(vfontsize){
   vfontsize.style.fontSize = size + unit;
  }
}
var textsize = 16;
function changetextsize(up){
  if(up){
   textsize = parseFloat(textsize)+2;
  }else{
   textsize =parseFloat(textsize)-2;
  }
}